body {
    background-color: #f2f3f5;
    padding: 20px;
}

/* 设置标题区 */
.layui-card-header {
    display: flex;
    align-items: center;
    /*上下居中对齐*/
    justify-content: space-between;
    /*左右两端对齐*/
}

.layui-form {
    width: 400px;
    height: 200px;
}

.layui-form input {
    margin-top: 30px;
}

.layui-form button {
    margin-top: 20px;
    margin-right: 30px;
}

form .layui-form-item input {
    border: 1px teal solid;
}

.layui-card-header {
    font-size: 16px;
    font-weight: bold;
}